Net Income (Loss) Per Share (Details) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Numerator:
Loss from continuing operations	$ (10,574,669)	$ (17,388,357)
Less: Net loss attributable to noncontrolling interest	47,358	15,978
Net loss before discontinued operations	(10,527,311)	(17,372,379)
Discontinued operations, net of income taxes	(1,394,984)	(3,522,169)
Loss on disposal of discontinued operations, net of income taxes	(229,201)	(121,577)
Net loss attributable to Dynacq Healthcare, Inc.	$ (12,151,496)	$ (21,016,125)
Denominator:
Basic and diluted average common shares outstanding	14,489,780	14,196,191
Basic and diluted loss per common share:
Loss from continuing operations attributable to Dynacq Healthcare, Inc.	$ (0.73)	$ (1.22)
Discontinued operations, net of income taxes	$ (0.10)	$ (0.25)
Loss on disposal of discontinued operations, net of income taxes	$ (0.02)	$ (0.01)
Net loss attributable to Dynacq Healthcare, Inc.	$ (0.85)	$ (1.48)